US20150044075A1 - Electric compressor - Google Patents
Electric compressor Download PDFInfo
- Publication number
- US20150044075A1 US20150044075A1 US14/388,136 US201314388136A US2015044075A1 US 20150044075 A1 US20150044075 A1 US 20150044075A1 US 201314388136 A US201314388136 A US 201314388136A US 2015044075 A1 US2015044075 A1 US 2015044075A1
- Authority
- US
- United States
- Prior art keywords
- electric motor
- compressing mechanism
- electric compressor
- incorporated
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
Definitions
- the present invention relates to an electric compressor including a compressing mechanism, an electric motor portion for driving the compressing mechanism, and a casing provided therein with an inverter portion for driving the electric motor portion.
- Patent Document 1 Japanese Patent Application Laid-open No. 2002-191153
- the present invention is achieved to solve this problem, and it is an object of the invention to provide an electric compressor capable of preventing a high voltage portion from being exposed to the impact load without increasing the weight, the external size and the cost of the electric compressor.
- the present invention provides an electric compressor in which a surface of a casing is provided with a collided portion which receives impact from outside, the collided portion is provided only on a portion of the casing other than a portion thereof in which the electric motor portion is incorporated and a portion of the casing other than a portion thereof in which the inverter portion is incorporated.
- the electric compressor of the present invention it is possible to prevent a high voltage portion from being exposed to an impact load without increasing a weight, an external size and a cost of the electric compressor.
- FIG. 1 is a sectional view of a compressor according to a first embodiment of the present invention
- FIG. 2 is a diagram showing an outward appearance of the compressor according to the first embodiment of the invention.
- FIG. 3 is a diagram showing an outward appearance of a compressor according to a second embodiment of the invention.
- a first aspect of the present invention provides an electric compressor comprising a casing in which a compressing mechanism, an electric motor portion for driving the compressing mechanism, and an inverter portion for driving the electric motor portion are incorporated, wherein a surface of the casing is provided with a collided portion, and the collided portion is provided only on a portion of the casing other than a portion thereof in which the electric motor portion is incorporated and a portion of the casing other than a portion thereof in which the inverter portion is incorporated.
- an impact load to the electric compressor is applied to a region other than a high voltage portion such as the inverter portion and the electric motor portion, and even if a container other than the region of the high voltage portion is damaged, it is possible to prevent the high voltage portion from being exposed.
- the collided portion is formed into a boss shape. Therefore, it is possible to further prevent a weight of the electric compressor from increasing.
- the casing comprises a main container in which the compressing mechanism and the electric motor portion are incorporated, and an auxiliary container in which the inverter portion is incorporated.
- FIG. 1 is a sectional view of an electric compressor according to a first embodiment of the invention.
- FIG. 1 shows one example of the lateral type electric compressor which is laterally placed by mounting legs 2 existing around a barrel of the electric compressor 1 .
- the electric compressor 1 includes a main container 3 , and a compressing mechanism 4 and an electric motor 5 for driving the compressing mechanism 4 are incorporated in the main container 3 .
- the main container 3 has a compressing mechanism-side opening 3 a and an electric motor-side opening 3 b.
- a suction auxiliary container 6 and a discharge auxiliary container 7 are attached to the openings 3 a and 3 b such that the suction auxiliary container 6 and the discharge auxiliary container 7 are respectively opposed to the openings 3 a and 3 b, thereby forming a hermetic container.
- An inverter 8 for driving the electric motor 5 is incorporated in the suction auxiliary container 6 .
- the discharge auxiliary container 7 includes an oil reservoir chamber 27 for supplying lubricating liquid to sliding portions including the compressing mechanism 4 , and a main bearing 22 , an auxiliary bearing 23 and an eccentric bearing 24 .
- Refrigerant handled in the electric compressor 1 is gas refrigerant.
- Liquid such as lubricating oil 17 is employed as liquid supplied for lubrication of the sliding portions and the bearings 22 , 23 and 24 and for sealing the sliding portion of the compressing mechanism 4 .
- the lubricating oil 17 is compatible with refrigerant.
- the compressing mechanism 4 of the electric compressor 1 of this embodiment is a scroll type compressing mechanism as one example.
- a fixed scroll 10 and a rotary scroll 11 are meshed with each other to form a compression space 12 .
- the rotary scroll 11 is swirled by the electric motor 5 with respect to the fixed scroll 10 through a drive shaft 13 , a capacity of the compression space 12 is changed, and refrigerant which returns from an external cycle is sucked and compressed.
- the refrigerant is discharged into the external cycle through a suction port 14 formed in the suction auxiliary container 6 and through a discharge port 15 formed in the discharge auxiliary container 7 .
- a gear pump 18 is driven by the drive shaft 13 or a pressure difference in the main container 3 is utilized, and thus, lubricating oil 17 stored in a liquid reservoir 16 of the discharge auxiliary container 7 is introduced into the oil reservoir chamber 27 .
- the lubricating oil 17 is supplied to a liquid pool 20 formed in a back surface of the rotary scroll 11 through an oil supply passage 19 of the drive shaft 13 via a filter 9 , and a portion of the lubricating oil 17 supplied to the liquid pool 20 is supplied to a back pressure chamber 21 in a surface of an outer periphery of the rotary scroll 11 opposite from a lap through a rotary scroll panel 11 a under predetermined limitation of a throttle 11 b.
- the lubricating oil 17 By supplying the lubricating oil 17 to a recess 10 a provided in the fixed scroll 10 through a communication hole (not shown) formed in the rotary scroll 11 , back pressure is adjusted to a predetermined amount, the rotary scroll 11 is pressed to carry out back up and in this state, the lubricating oil 17 is supplied between the fixed scroll 10 and the rotary scroll 11 , sealing and lubrication between the fixed scroll 10 and the rotary scroll 11 are carried out. Another portion of the lubricating oil 17 supplied to the liquid pool 20 is used for lubrication through the eccentric bearing 24 and the main bearing 22 and then, this lubricating oil 17 flows out toward the electric motor 5 and is collected into the liquid reservoir 16 .
- the auxiliary bearing 23 , the electric motor 5 and a main bearing member 25 having the main bearing 22 are placed from an end wall 3 c of the electric motor-side opening 3 b in the main container 3 .
- a gear pump 18 is accommodated in an outer surface of the end wall 3 c and then, the gear pump 18 is held between the end wall 3 c and the pump plate 26 mounted through a bolt (not shown), the oil reservoir chamber 27 which is in communication with the liquid reservoir 16 is formed inside of the discharge auxiliary container 7 , and the oil reservoir chamber 27 is in communication with the liquid reservoir 16 through an oil suction passage 28 .
- the auxiliary bearing 23 is supported by the end wall 3 c, a side of the drive shaft 13 which is connected to the gear pump 18 is supported in a bearing manner.
- a stator 5 a of the electric motor 5 is fixed to an inner periphery of the main container 3 through a bolt or by shrinkage fitting, the rotor 5 b is fixed around an intermediate portion of the drive shaft 13 , and the drive shaft 13 can be rotated and driven by the stator 5 a and the rotor 5 b.
- the main bearing member 25 is inserted or press-fitted into the main container 3 .
- a portion of the drive shaft 13 on the side of the compressing mechanism 4 is supported by the main bearing 22 in a bearing manner.
- the fixed scroll 10 is mounted on an outer surface of the main bearing member 25 through a bolt (not shown) , the rotary scroll 11 is sandwiched between the main bearing member 25 and the fixed scroll 10 to configure a scroll compressor.
- An Oldham ring 29 is provided between the main bearing member 25 and the rotary scroll 11 .
- the Oldham ring 29 prevents the rotary scroll 11 from rotating and allows the rotary scroll 11 to swirl.
- An eccentric shaft 13 a is integrally formed on an end surface of the drive shaft 13 , and a bush 30 is fitted into and supported by the eccentric shaft 13 a.
- the rotary scroll 11 is supported by the bush 30 such that the rotary scroll 11 can swirl through the eccentric bearing 24 and such that the rotary scroll 11 is opposed to the fixed scroll 10 .
- a cylindrical portion 11 d projects from a back surface of the rotary scroll panel 11 a of the rotary scroll 11 , and the eccentric bearing 24 is accommodated in the cylindrical portion lid.
- An inner ring of the eccentric bearing 24 is fitted into the bush 30 , and an outer ring of the eccentric bearing 24 is fitted into the cylindrical portion 11 d.
- the compressing mechanism 4 is covered with the suction auxiliary container 6 which is fixed through a bolt (not shown) such that the main container 3 and compressing mechanism-side opening 3 a are butted against each other.
- the compressing mechanism 4 is located between the suction port 14 of the suction auxiliary container 6 and the discharge port 15 of the discharge auxiliary container 7 , a suction hole (not shown) of the compressing mechanism 4 is connected to the suction port 14 of the suction auxiliary container 6 through a suction passage, and a discharge hole (not shown) of the compressing mechanism 4 opens into a discharge chamber through a reed valve .
- the discharge chamber is in communication with the electric motor 5 between the compressing mechanism 4 and the end wall 3 c through a communication passage 31 formed between the fixed scroll 10 and the main bearing member 25 , or between the fixed scroll 10 , the main bearing member 25 and the main container 3 .
- a lead wire 5 c of the electric motor 5 is pulled out toward the suction auxiliary container 6 through the communication passage 31 formed between the fixed scroll 10 and the main bearing member 25 , or between the fixed scroll 10 , the main bearing member 25 and the main container 3 .
- a cluster block 42 connected to an end of the lead wire 5 c is connected to a metal terminal 41 of a terminal 40 which penetrates the suction auxiliary container 6 .
- the terminal 40 is connected to the inverter 8 in the suction auxiliary container 6 .
- high voltage is supplied from the vehicle to the inverter 8 through a connector (not shown), the high voltage is supplied to the electric motor 5 by the terminal 40 and the metal terminal 41 connected to the terminal 40 , the electric motor 5 is driven, and the compressing mechanism 4 swirls through the drive shaft 13 .
- lubricating oil 17 in the liquid reservoir 16 is supplied to the compressing mechanism 4 by the gear pump 18 , the compressing mechanism 4 is lubricated, sealed and pressed and in this state, the compressing mechanism 4 sucks refrigerant returning from a refrigeration cycle through the suction port 14 of the suction auxiliary container 6 and a suction hole (not shown) formed in the fixed scroll 10 of the compressing mechanism 4 , and the compressing mechanism 4 compresses the refrigerant and discharges the refrigerant from the discharge hole (not shown) of the compressing mechanism 4 to a discharge chamber of the compressing mechanism 4 .
- the inverter 8 is cooled by the returned refrigerant.
- the refrigerant which is discharged into the discharge chamber enters the electric motor 5 through a communication passage (not shown), the refrigerant cools the electric motor 5 , the refrigerant collides with the electric motor 5 , gas and liquid such as throttle are separated from the refrigerant, the lubricating oil 17 is separated from the refrigerant and the refrigerant is discharged from the discharge port 15 of the discharge auxiliary container 7 .
- the collided portion 3 d which is provided on a surface of the main container 3 or a surface of the suction auxiliary container 6 and which receive impact from outside are provided only on a portion of the main container 3 or the suction auxiliary container 6 other than a portion thereof in which the electric motor portion is incorporated and a portion of the main container 3 or the suction auxiliary container 6 other than a portion thereof in which the inverter 8 is incorporated.
- an impact load to the electric compressor 1 is added to a region outside the high voltage portion such as the inverter portion or the electric motor portion, and even if a container outside the region of the high voltage portion is damaged, it is possible to prevent the high voltage portion from being exposed.
- a material of the collided portion 3 d may be the same as that of the casing or may be different from that of the casing.
- FIG. 3 is a diagram showing an outward appearance of an electric compressor according to a second embodiment of the invention.
- the sectional view of the electric compressor 1 in the second embodiment of the invention is the same as the drawing which shows the first embodiment.
- the collided portion 3 d of the first embodiment is formed into a boss shape.
- an effect of the electric compressor 1 having the above-described configuration will be described below.
- an impact load applied to the electric compressor 1 when a vehicle collides is added to a region outside a high voltage portion such as an inverter 8 accommodated in a suction auxiliary container 6 and an electric motor 5 accommodated in a main container 3 . Therefore, even if a container outside the region of the high voltage portion is damaged, it is possible to prevent the high voltage portion from being exposed.
- the collided portion 3 d is formed as a boss, it is possible to further restrain the electric compressor 1 from increasing in weight.
- the invention is not limited to this configuration, and the invention can also be applied to an electric compressor 1 in which the compressing mechanism 4 , the electric motor portion and the inverter 8 are accommodated in the main container 3 .
- the present invention can be applied to a motor compressor including a compressing mechanism, an electric motor portion and an inverter portion in a casing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012111240 | 2012-05-15 | ||
JP2012-111240 | 2012-05-15 | ||
PCT/JP2013/001987 WO2013171957A1 (ja) | 2012-05-15 | 2013-03-25 | 電動圧縮機 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150044075A1 true US20150044075A1 (en) | 2015-02-12 |
Family
ID=49583390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/388,136 Abandoned US20150044075A1 (en) | 2012-05-15 | 2013-03-25 | Electric compressor |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150044075A1 (ja) |
JP (1) | JP6145734B2 (ja) |
CN (1) | CN104246223B (ja) |
WO (1) | WO2013171957A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150104301A1 (en) * | 2013-10-11 | 2015-04-16 | Hamilton Sundstrand Corporation | Motor housing for a cabin air compressor |
US20180030972A1 (en) * | 2015-02-12 | 2018-02-01 | Calsonic Kansei Corporation | Electric compressor |
US10923982B2 (en) | 2015-05-21 | 2021-02-16 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Electric compressor motor housing, and vehicle-mounted electric compressor employing same |
US11661932B2 (en) | 2016-03-11 | 2023-05-30 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Vehicle-mounted device |
US11668324B2 (en) * | 2019-08-02 | 2023-06-06 | Hamilton Sundstrand Corporation | Motor and bearing cooling paths and a transfer tube for another cooling channel |
US11787551B1 (en) | 2022-10-06 | 2023-10-17 | Archer Aviation, Inc. | Vertical takeoff and landing aircraft electric engine configuration |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3027972B1 (fr) * | 2014-10-30 | 2019-09-20 | Valeo Japan Co., Ltd. | Compresseur, notamment pour vehicule automobile |
JPWO2020090701A1 (ja) * | 2018-10-30 | 2021-09-24 | 株式会社ヴァレオジャパン | 電動圧縮機の補強構造 |
US10830235B2 (en) * | 2019-01-17 | 2020-11-10 | Denso International America, Inc. | Adaptive connector position for high/low voltage inverter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940925A (en) * | 1974-01-28 | 1976-03-02 | Kelley Arthur P | Rotary internal combustion engine |
US5605448A (en) * | 1995-07-31 | 1997-02-25 | Martin, Sr.; Thomas B. | AC fuel pump |
WO2012035767A1 (ja) * | 2010-09-16 | 2012-03-22 | パナソニック株式会社 | インバータ装置一体型電動圧縮機 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003254273A (ja) * | 2002-03-06 | 2003-09-10 | Sanden Corp | 車両空調用2段圧縮機 |
JP3802477B2 (ja) * | 2002-11-13 | 2006-07-26 | 株式会社デンソー | 車両用インバータ横設型電動コンプレッサ |
EP1363026A3 (en) * | 2002-04-26 | 2004-09-01 | Denso Corporation | Invertor integrated motor for an automotive vehicle |
JP2004183631A (ja) * | 2002-12-06 | 2004-07-02 | Matsushita Electric Ind Co Ltd | 電動圧縮機 |
JP4697148B2 (ja) * | 2006-04-28 | 2011-06-08 | パナソニック株式会社 | 電動圧縮機 |
JP4821453B2 (ja) * | 2006-06-22 | 2011-11-24 | 日産自動車株式会社 | カーエアコン用電動コンプレッサのハーネス保護構造 |
JP2009085082A (ja) * | 2007-09-28 | 2009-04-23 | Mitsubishi Heavy Ind Ltd | 車両用電動圧縮機 |
JP5393015B2 (ja) * | 2007-10-10 | 2014-01-22 | 三菱重工業株式会社 | 車載空調装置用圧縮機 |
JP2009103100A (ja) * | 2007-10-25 | 2009-05-14 | Denso Corp | 車両用電動コンプレッサ |
JP2010048146A (ja) * | 2008-08-21 | 2010-03-04 | Panasonic Corp | インバータ一体型電動圧縮機 |
JP4958988B2 (ja) * | 2010-03-30 | 2012-06-20 | 株式会社豊田自動織機 | 電動圧縮機 |
JP2012026310A (ja) * | 2010-07-21 | 2012-02-09 | Panasonic Corp | インバータ一体型電動圧縮機 |
-
2013
- 2013-03-25 JP JP2014515470A patent/JP6145734B2/ja active Active
- 2013-03-25 CN CN201380020276.XA patent/CN104246223B/zh active Active
- 2013-03-25 US US14/388,136 patent/US20150044075A1/en not_active Abandoned
- 2013-03-25 WO PCT/JP2013/001987 patent/WO2013171957A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940925A (en) * | 1974-01-28 | 1976-03-02 | Kelley Arthur P | Rotary internal combustion engine |
US5605448A (en) * | 1995-07-31 | 1997-02-25 | Martin, Sr.; Thomas B. | AC fuel pump |
WO2012035767A1 (ja) * | 2010-09-16 | 2012-03-22 | パナソニック株式会社 | インバータ装置一体型電動圧縮機 |
US20120308414A1 (en) * | 2010-09-16 | 2012-12-06 | Panasonic Corporation | Inverter-integrated electric compressor |
Non-Patent Citations (1)
Title |
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Machine Translation of Japanese Patent JP 2009103100 A to Watanabe. * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150104301A1 (en) * | 2013-10-11 | 2015-04-16 | Hamilton Sundstrand Corporation | Motor housing for a cabin air compressor |
US9685835B2 (en) * | 2013-10-11 | 2017-06-20 | Hamilton Sundstrand Corporation | Motor housing having conical shaped ends with various dimensional ratios and slopes for a stator in an avionics cabin air compressor |
US20180030972A1 (en) * | 2015-02-12 | 2018-02-01 | Calsonic Kansei Corporation | Electric compressor |
US10923982B2 (en) | 2015-05-21 | 2021-02-16 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Electric compressor motor housing, and vehicle-mounted electric compressor employing same |
US11661932B2 (en) | 2016-03-11 | 2023-05-30 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Vehicle-mounted device |
US11668324B2 (en) * | 2019-08-02 | 2023-06-06 | Hamilton Sundstrand Corporation | Motor and bearing cooling paths and a transfer tube for another cooling channel |
US11787551B1 (en) | 2022-10-06 | 2023-10-17 | Archer Aviation, Inc. | Vertical takeoff and landing aircraft electric engine configuration |
US11820523B1 (en) | 2022-10-06 | 2023-11-21 | Archer Aviation, Inc. | Systems and methods for, and components of, gearboxes for eVTOL aircraft |
US11912424B1 (en) | 2022-10-06 | 2024-02-27 | Archer Aviation Inc. | Systems and methods for improved gearboxes for eVTOL aircraft |
US11958621B1 (en) | 2022-10-06 | 2024-04-16 | Archer Aviation, Inc. | Systems and methods for, and components of, gearboxes for eVTOL aircraft |
US11975853B2 (en) | 2022-10-06 | 2024-05-07 | Archer Aviation, Inc. | Systems for cooling an electrical engine for eVTOL aircraft using an end bell assembly connected to a thermal plate |
Also Published As
Publication number | Publication date |
---|---|
WO2013171957A1 (ja) | 2013-11-21 |
CN104246223B (zh) | 2016-08-24 |
JPWO2013171957A1 (ja) | 2016-01-12 |
JP6145734B2 (ja) | 2017-06-14 |
CN104246223A (zh) | 2014-12-24 |
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